a-a a-b aaa aab aad aae aah aan aau ab- aba abb abd abe abh abn abu ad- ada adb add ade adh adn adu aea aeb aed aee aeh aen aeu aha ahb ahd ahe ahh ahn ahu an- ana anb and ane anh ann anu au- aua aub aud aue auh aun b-u baa bab bad bae bah ban bau bba bbb bbd bbe bbh bbn bbu bda bdb bdd bde bdh bdu be- bea beb bed bee beh ben beu bha bhb bhd bhe bhh bhu bna bnb bnd bne bnn bnu bua bub bud bue buh bun buu daa dab dad dae dah dan dau dba dbb dbd dbe dbh dbn dbu dda ddb ddd dde ddh ddn ddu de- dea deb ded dee deh den deu dh- dha dhb dhd dhe dhh dhu dna dnb dnd dne dnh dnn dua dub dud due duh dun eaa eab ead eae eah ean eau eba ebb ebd ebe ebh ebn ebu ed- eda edb edd ede edh edn edu eea eeb eed eee een eha ehb ehd ehe ehh ehn ehu en- ena enb end ene enh enn enu eu- eua eub eud eue eun haa hab had hae hah han hau hba hbb hbd hbe hbh hbn hbu hda hdb hdd hde hdh hdn hdu he- hea heb hed hee heh hen heu hha hhb hhd hhe hhh hhn hhu hna hnb hnd hne hnh hnn hnu hua hub hud hue huh hun huu naa nab nad nae nah nan nau nba nbb nbd nbe nbn nbu nda ndb ndd nde ndh ndn ndu ne- nea neb ned nee neh nen neu nha nhb nhd nhe nhh nhn nhu nna nnb nne nnh nnn nnu nua nub nud nue nuh nun nuu ua- uaa uab uad uae uah uan uau uba ubb ube ubh ubn ubu uda udb udd ude udn udu uea ueb ued uee ueh uen uha uhb uhd uhe uhh uhu un- una unb und une unh unn unu uua uue uun uuu